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Motion-Momentum

GS Ch 18 Motion & Momentum Vocabulary

TermDefinition
speed the distance traveled divided by the time taken to travel the distance.
average speed total distance traveled divided by the total time taken
instantaneous speed speed of an object at one instant of time
velocity the speed of the object and the direction of its motion
motion change in position
change in position requires a point of reference
distance the length of the route you will travel
displacement distance between the starting and ending points and the direction in which was traveled
acceleration the change in velocity divided by the time it takes for the change to occur.
mass the amount of matter in an object
inertia the tendency of an object to resist a change in its motion
momentum a measure of how hard it is to stop the object
law of conservation of momentum total momentum of objects that collide is the same before and after the collision
scalar quantity quantities that are fully described by a magnitude (or numerical value) alone.
vector quantity quantities that are fully described by both a magnitude and a direction
Created by: droesener
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